mirror of
https://github.com/ghostty-org/ghostty.git
synced 2025-07-14 15:56:13 +03:00
c3b44020f4
This adds a nix workflow that does the following: * Checks to see if the Zig cache fixed derivation needs its hash updated. It does this by downloading a new cache, calculating the hash, and comparing it against what has already been set. If the hash is different, the workflow fails. * Runs a Nix build if the hash is OK, testing the build of packages.ghostty (using "nix build .") The cache workflow we use in the build job comes from: https://github.com/DeterminateSystems/magic-nix-cache-action/ Fixes #937.
146 lines
3.2 KiB
Nix
146 lines
3.2 KiB
Nix
# NOTE: using this derivation right out of the flake currently requires a build
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# of LLVM 17 and Zig master from source. This will take quite a bit of time.
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# Until LLVM 17 and an upcoming Zig 0.12 are up in nixpkgs, most folks will
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# want to continue to use the devShell and the instructions found at:
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#
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# https://github.com/mitchellh/ghostty/tree/main#developing-ghostty
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#
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{ lib
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, stdenv
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, bzip2
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, expat
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, fontconfig
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, freetype
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, harfbuzz
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, libpng
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, pixman
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, zlib
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, libGL
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, libX11
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, libXcursor
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, libXi
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, libXrandr
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, glib
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, gtk4
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, libadwaita
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, git
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, ncurses
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, pkg-config
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, zig_0_12
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}:
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let
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# The Zig hook has no way to select the release type without actual
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# overriding of the default flags.
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#
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# TODO: Once
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# https://github.com/ziglang/zig/issues/14281#issuecomment-1624220653 is
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# ultimately acted on and has made its way to a nixpkgs implementation, this
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# can probably be removed in favor of that.
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zig012Hook = zig_0_12.hook.overrideAttrs {
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zig_default_flags = "-Dcpu=baseline -Doptimize=ReleaseFast";
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};
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# This hash is the computation of the zigCache fixed-output derivation. This
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# allows us to use remote package dependencies without breaking the sandbox.
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#
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# This will need updating whenever dependencies get updated (e.g. changes are
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# made to zig.build.zon). If you see that the main build is trying to reach
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# out to the internet and failing, this is likely the cause. Change this
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# value back to lib.fakeHash, and re-run. The build failure should emit the
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# updated hash, which of course, should be validated before updating here.
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#
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# (It's also possible that you might see a hash mismatch - without the
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# network errors - if you don't have a previous instance of the cache
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# derivation in your store already. If so, just update the value as above.)
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zigCacheHash = import ./zig_cache_hash.nix;
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zigCache = src: stdenv.mkDerivation {
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inherit src;
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name = "ghostty-cache";
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nativeBuildInputs = [ git zig_0_12.hook ];
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dontConfigure = true;
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dontUseZigBuild = true;
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dontUseZigInstall = true;
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dontFixup = true;
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buildPhase = ''
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runHook preBuild
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zig build --fetch
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runHook postBuild
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'';
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installPhase = ''
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runHook preInstall
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cp -r --reflink=auto $ZIG_GLOBAL_CACHE_DIR $out
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runHook postInstall
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'';
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outputHashMode = "recursive";
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outputHash = zigCacheHash;
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};
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in
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stdenv.mkDerivation (finalAttrs: {
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pname = "ghostty";
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version = "0.1.0";
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src = ./..;
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nativeBuildInputs = [
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git
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ncurses
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pkg-config
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zig012Hook
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];
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buildInputs = [
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libGL
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] ++ lib.optionals stdenv.isLinux [
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bzip2
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expat
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fontconfig
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freetype
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harfbuzz
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libpng
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pixman
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zlib
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libX11
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libXcursor
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libXi
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libXrandr
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libadwaita
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gtk4
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glib
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];
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dontConfigure = true;
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zigBuildFlags = "-Dversion-string=${finalAttrs.version}";
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preBuild = ''
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rm -rf $ZIG_GLOBAL_CACHE_DIR
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cp -r --reflink=auto ${zigCache finalAttrs.src} $ZIG_GLOBAL_CACHE_DIR
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chmod u+rwX -R $ZIG_GLOBAL_CACHE_DIR
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'';
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outputs = [ "out" ];
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meta = with lib; {
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homepage = "https://github.com/mitchellh/ghostty";
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license = licenses.mit;
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platforms = [ "x86_64-linux" "aarch64-linux" "aarch64-darwin" ];
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};
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})
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